Battery Meter, Voltage Range 12V 24V 36V 48V 72V , for Electric Vehicles, Forklifts, Golf Carts, etc.Features:Power display: 10 LED lights, 3 colors, single cell display battery power. Automatically identify the current capacity of the battery when powered on. When the battery remains 20%, the yellow light fes, and when the battery remains 10%, the yellow light fes alternately with the red light.Identify electricity: A. Delay display: When the battery capacity is greatly consumed (for example, the electric car is climbing a hill), there is a delay of 155 Sec to prevent the electricity meter from rising and falling too fast and let the r know the actual battery capacity. B. Charging delay: When the battery is charged, it will be displayed in the form of a running light, and the step-by-step charging will increase by one step every 200 Sec.Applicable voltage range: suitable for lead-acid batteries, 12V 24V 36V 48V 72V. Widely d in electric vehicles, golf carts, sightseeing bus, elevators, vehicles, forklifts and other lead-acid battery equment.Simple installation: A. embedded installation and fastening. B. Connection mode: Select the corresponding pin according to the battery voltage, and pin C of the key switch is connected to the positive pole of the power supply.In The Box: 1x Battery Meter. 2x Insert the spring. 2x Insert the spring . 1x r manual.Specifications:Item name: Battery MeterType: lead-acid battery meterModel: BI002Display mode: LED lightVoltage range: 12V 24V 36V 48V 72VWaterproof grade: 65Installation dimension: 39*43tem size: 60*60*49mm/2.36*2.36*1.92inItem weight: 60g/2.11ouceNote:Light shooting and different displays may ca the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 10-30mm.